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Additives & Supplements

Aquarium Supplies

Fish Additives & Supplements

We carry a wide variety of additives produced by the most respected companies serving the aquarium hobby, such as Kent Marine, E.S.V., Seachem and Two Little Fishies. 2-part Calcium and Alkalinity Supplements are popular additives among reef keepers since calcium and alkalinity tend to deplete quickly in a reef aquarium.

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  1. CaribSea Purple Up Coralline Algae Accelerator 8oz

    CaribSea Purple Up Coralline Algae Accelerator

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    Use the Caribsea Purple Up Coralline Algae Accelerator 8oz from Pet Store to keep your coralline algae healthy all the time. Coralline algae are essential to the natural balance of reef aquariums. Some fish and other water creat...
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    $11.99
  2. CaribSea Purple Up Coralline Algae Accelerator 16oz

    CaribSea Purple Up Coralline Algae Accelerator 16oz

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    Pet Product News Editor`s Choice Awards Winner as One of the Best New Products of 2005 Purple Up has a unique dual method approach to coralline algae acceleration: Ionic calcium—Immediately raises dissolved calcium levels in...
  3. Caribsea AragaMilk Liquid Aragonite Calcium Supplement 8oz

    Caribsea AragaMilk Liquid Aragonite Calcium Supplement

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    AragaMILK™ Ideal for African cichlids, livebearers, and marine aquariums of all types! The perfect alkalinity booster because...aragaMILK™ has a full pound of buffer in every 16 fluid ounce bottle. This buffer comes in two form...
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    $11.99
  4. Caribsea AragaMilk Liquid Aragonite Calcium Supplement 16oz

    Caribsea AragaMilk Liquid Aragonite Calcium Supplement 16oz

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    In closed systems, carbonate is consumed both as a buffer to neutralize organic acids, and combines with calcium for coral and coralline algae growth. The aragonite in aragaMILK supplies calcium and other major and minor trace ele...
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    $14.49

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